JPS5720058A - Search system for fault of regenerative repeater - Google Patents

Search system for fault of regenerative repeater

Info

Publication number
JPS5720058A
JPS5720058A JP9322280A JP9322280A JPS5720058A JP S5720058 A JPS5720058 A JP S5720058A JP 9322280 A JP9322280 A JP 9322280A JP 9322280 A JP9322280 A JP 9322280A JP S5720058 A JPS5720058 A JP S5720058A
Authority
JP
Japan
Prior art keywords
string
circuit
code
mark rate
fault
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP9322280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6328377B2 (enrdf_load_stackoverflow
Inventor
Shigeji Kameyama
Masayuki Sakamoto
Takashi Hoshino
Hiroo Kitasagami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Original Assignee
Fujitsu Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Nippon Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd, NEC Corp, Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP9322280A priority Critical patent/JPS5720058A/ja
Publication of JPS5720058A publication Critical patent/JPS5720058A/ja
Publication of JPS6328377B2 publication Critical patent/JPS6328377B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
JP9322280A 1980-07-10 1980-07-10 Search system for fault of regenerative repeater Granted JPS5720058A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9322280A JPS5720058A (en) 1980-07-10 1980-07-10 Search system for fault of regenerative repeater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9322280A JPS5720058A (en) 1980-07-10 1980-07-10 Search system for fault of regenerative repeater

Publications (2)

Publication Number Publication Date
JPS5720058A true JPS5720058A (en) 1982-02-02
JPS6328377B2 JPS6328377B2 (enrdf_load_stackoverflow) 1988-06-08

Family

ID=14076525

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9322280A Granted JPS5720058A (en) 1980-07-10 1980-07-10 Search system for fault of regenerative repeater

Country Status (1)

Country Link
JP (1) JPS5720058A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58209249A (ja) * 1982-05-31 1983-12-06 Nippon Telegr & Teleph Corp <Ntt> デイジタル中継伝送路の監視方式
JPH01175092A (ja) * 1987-12-29 1989-07-11 Hideo Masaki データ表示器
JP4898999B2 (ja) * 2005-03-30 2012-03-21 独立行政法人 国立印刷局 印刷物、該印刷物の検知方法及び検知装置、並びに認証方法及び認証装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51107707A (en) * 1975-03-18 1976-09-24 Nippon Electric Co Pcm chukeishogaitansakuhoshiki oyobi fugohatsuseisochi

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51107707A (en) * 1975-03-18 1976-09-24 Nippon Electric Co Pcm chukeishogaitansakuhoshiki oyobi fugohatsuseisochi

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58209249A (ja) * 1982-05-31 1983-12-06 Nippon Telegr & Teleph Corp <Ntt> デイジタル中継伝送路の監視方式
JPH01175092A (ja) * 1987-12-29 1989-07-11 Hideo Masaki データ表示器
JP4898999B2 (ja) * 2005-03-30 2012-03-21 独立行政法人 国立印刷局 印刷物、該印刷物の検知方法及び検知装置、並びに認証方法及び認証装置

Also Published As

Publication number Publication date
JPS6328377B2 (enrdf_load_stackoverflow) 1988-06-08

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